noun bel·em·nite \ˈbe-ləm-ˌnīt\

Definition of belemnite

  1. 1 :  any of various extinct cephalopods (order Belemnoidea) especially abundant in the Mesozoic era that had internal shells and that superficially resembled and are regarded as ancestors of the squids

  2. 2 :  the fossilized bullet-shaped remains of a belemnite

Origin and Etymology of belemnite

borrowed from New Latin belemnītēs “bullet-shaped fossilized rostrum of an extinct animal,” from Greek bélemnon “missile, spear, arrow” (probably from bele-, full-grade base of the verb bállein “to throw, hit by throwing”) + New Latin -ītēs 1-ite — more at 1devil

First Known Use: 1646

Learn More about belemnite

Seen and Heard

What made you want to look up belemnite? Please tell us where you read or heard it (including the quote, if possible).


feeling or affected by lethargy

Get Word of the Day daily email!